Gaya APA

Gaylord, E, H., Gaylord, C, N. (1972). Design of steel structures second edition (Edisi Kedua). : McGraw-Hill.

Gaya MLA

Gaylord, Edwin, H.., Gaylord, Charles, N.. "Design of steel structures second edition". Edisi Kedua : McGraw-Hill, 1972. Text.